| 58 |
|
/* discard header */ |
| 59 |
|
getheader(input, NULL); |
| 60 |
|
/* get picture dimensions */ |
| 61 |
< |
if (fscanf(input, "-Y %d +X %d\n", &yres, &xres) != 2) { |
| 61 |
> |
if (fgetresolu(&xres, &yres, input) != (YMAJOR|YDECR)) { |
| 62 |
|
fprintf(stderr, "%s: bad picture size\n", fname); |
| 63 |
|
return(-1); |
| 64 |
|
} |
| 66 |
|
fprintf(stderr, "%s: resolution mismatch\n", fname); |
| 67 |
|
return(-1); |
| 68 |
|
} |
| 69 |
< |
|
| 70 |
< |
fputs("\033A\014\0332", stdout); |
| 71 |
< |
|
| 69 |
> |
/* set line spacing (overlap for knitting) */ |
| 70 |
> |
fputs("\0333\036", stdout); |
| 71 |
> |
/* put out scanlines */ |
| 72 |
|
for (i = yres-1; i >= 0; i--) { |
| 73 |
|
if (freadscan(scanline, xres, input) < 0) { |
| 74 |
|
fprintf(stderr, "%s: read error (y=%d)\n", fname, i); |
| 76 |
|
} |
| 77 |
|
plotscan(scanline, xres, i); |
| 78 |
|
} |
| 79 |
< |
|
| 79 |
> |
/* advance page */ |
| 80 |
|
putchar('\f'); |
| 81 |
|
|
| 82 |
|
fclose(input); |
| 95 |
|
register long c; |
| 96 |
|
register int i, j; |
| 97 |
|
|
| 98 |
< |
if (bpos = y % 24) { |
| 98 |
> |
if (bpos = y % 20) { |
| 99 |
|
|
| 100 |
< |
for (j = 0; j < 3; j++) |
| 101 |
< |
for (i = 0; i < len; i++) |
| 102 |
< |
pat[i][j] |= (long)colbit(scan[i],i,j) << bpos; |
| 100 |
> |
if (y > 20 & bpos < 4) /* knit bits */ |
| 101 |
> |
for (j = 0; j < 3; j++) |
| 102 |
> |
for (i = 0; i < len; i++) |
| 103 |
> |
pat[i][j] |= (long)colbit(scan[i],i,j) |
| 104 |
> |
<< (i+j & 4 ? bpos+24 : bpos); |
| 105 |
> |
else |
| 106 |
> |
for (j = 0; j < 3; j++) |
| 107 |
> |
for (i = 0; i < len; i++) |
| 108 |
> |
pat[i][j] |= (long)colbit(scan[i],i,j) |
| 109 |
> |
<< bpos; |
| 110 |
|
|
| 111 |
|
} else { |
| 112 |
|
|
| 114 |
|
|
| 115 |
|
for (j = 0; j < 3; j++) { |
| 116 |
|
fputs("\033%O", stdout); |
| 117 |
< |
putchar(len & 255); |
| 117 |
> |
putchar(len & 0xff); |
| 118 |
|
putchar(len >> 8); |
| 119 |
|
for (i = 0; i < len; i++) { |
| 120 |
< |
c = pat[i][j] | colbit(scan[i],i,j); |
| 121 |
< |
pat[i][j] = 0; |
| 122 |
< |
putchar(c>>16); |
| 123 |
< |
putchar(c>>8 & 255); |
| 124 |
< |
putchar(c & 255); |
| 120 |
> |
c = pat[i][j]; |
| 121 |
> |
pat[i][j] = c>>4 & 0xf00000; |
| 122 |
> |
if (i+j & 4) /* knit last bit */ |
| 123 |
> |
pat[i][j] |= colbit(scan[i],i,j) << 20; |
| 124 |
> |
else |
| 125 |
> |
c |= colbit(scan[i],i,j); |
| 126 |
> |
putchar(c>>16 & 0xff); |
| 127 |
> |
putchar(c>>8 & 0xff); |
| 128 |
> |
putchar(c & 0xff); |
| 129 |
|
} |
| 130 |
|
putchar('\r'); |
| 131 |
|
} |
